AudioControl Matrix Plus 6 Channel 13 Volt 24dB Gain Line Driver with ACR-1 Knob

Audio Control PreAmp Line Driver Matrix Plus

AudioControl Matrix Plus 6 Channel 13 Volt 24dB Gain Line Driver Audio Control

NO KNOB Audiocontrol EPICENTER PRO Bass Restoration Processor with Line Driver

AudioControl Matrix Plus 6 Channel 13 Volt 24dB Gain Line Driver with ACR-1 Knob

AudioControl LC7i PRO 6-Channel Line Output Converter/Line Driver w/ACR-1 Remote

NEW Audio Control Epicenter PRO Bass Restoration & Line Out Converter

AudioControl LC2i PRO 2-Channel Active Line Output Converter Driver ACR-1 Knob